|Name||"Chemung" Formation, Parkhead Sandstone, Brallier Formation, and Harrell Shale|
Sedimentary > Clastic > Siltstone
Sedimentary > Clastic > Mudstone > Shale
Sedimentary > Clastic > Sandstone > Graywacke
Sedimentary > Clastic > Sandstonelocally conglomeratic
Sedimentary > Carbonate > Limestone
|Comments||Chemung, Parkhead, Brallier, and Harrell Formations formerly were designated as Jennings Formation.|
Cleaves, E.T., Edwards, J., Jr., and Glaser, J.D., 1968, Geologic Map of Maryland: Maryland Geological Survey, Baltimore, Maryland, scale 1:250,000.
In 1995 the Water Resources Division of the U.S. Geological Survey digitized the geologic map of Maryland from the 1968 paper map (Reference MD001). Information about products from the Maryland Geological Survey can be found at http://www.mgs.md.gov/.
USGS Geologic Names lexicon found at: http://ngmdb.usgs.gov/Geolex/
|Counties||Allegany - Garrett - Washington|